face: Refactored code to set interest filter

Change-Id: I1f9637a79c03a9e24608403d963bbfc4d9bcab1c
diff --git a/src/management/ndnd-status-response.hpp b/src/management/ndnd-status-response.hpp
new file mode 100644
index 0000000..1543bed
--- /dev/null
+++ b/src/management/ndnd-status-response.hpp
@@ -0,0 +1,126 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_MANAGEMENT_NDND_STATUS_RESPONSE_HPP
+#define NDN_MANAGEMENT_NDND_STATUS_RESPONSE_HPP
+
+#include "../encoding/block.hpp"
+#include "../encoding/tlv-face-management.hpp"
+
+namespace ndn {
+namespace ndnd {
+
+class StatusResponse {
+public:
+  StatusResponse()
+    : code_(0)
+  {
+  }
+
+  StatusResponse(uint32_t code, const std::string &info)
+    : code_(code)
+    , info_(info)
+  {
+  }
+  
+  inline uint32_t
+  getCode() const;
+
+  inline void
+  setCode(uint32_t code);
+
+  inline const std::string &
+  getInfo() const;
+
+  inline void
+  setInfo(const std::string &info);
+
+  inline const Block&
+  wireEncode() const;
+
+  inline void
+  wireDecode(const Block &block);
+  
+private:
+  uint32_t code_;
+  std::string info_;
+
+  mutable Block wire_;
+};
+
+inline uint32_t
+StatusResponse::getCode() const
+{
+  return code_;
+}
+
+inline void
+StatusResponse::setCode(uint32_t code)
+{
+  code_ = code;
+  wire_.reset();
+}
+
+inline const std::string &
+StatusResponse::getInfo() const
+{
+  return info_;
+}
+
+inline void
+StatusResponse::setInfo(const std::string &info)
+{
+  info_ = info;
+  wire_.reset();
+}
+
+
+inline const Block&
+StatusResponse::wireEncode() const
+{
+  if (wire_.hasWire())
+    return wire_;
+
+  wire_ = Block(Tlv::FaceManagement::StatusResponse);
+  wire_.push_back
+    (nonNegativeIntegerBlock(Tlv::FaceManagement::StatusCode, code_));
+
+  if (!info_.empty())
+    {
+      wire_.push_back
+        (dataBlock(Tlv::FaceManagement::StatusText, info_.c_str(), info_.size()));
+    }
+  
+  wire_.encode();  
+  return wire_;
+}
+
+inline void
+StatusResponse::wireDecode(const Block &wire)
+{
+  wire_ = wire;
+  wire_.parse();
+
+  code_ = readNonNegativeInteger(wire_.get(Tlv::FaceManagement::StatusCode));
+
+  Block::element_iterator val = wire_.find(Tlv::FaceManagement::StatusText);
+  if (val != wire_.getAll().end())
+    {
+      info_.assign(reinterpret_cast<const char*>(val->value()), val->value_size());
+    }
+}
+
+inline std::ostream&
+operator << (std::ostream &os, const StatusResponse &status)
+{
+  os << status.getCode() << " " << status.getInfo();
+  return os;
+}
+
+} // namespace ndnd
+} // namespace ndn
+
+#endif // NDN_MANAGEMENT_NDND_STATUS_RESPONSE_HPP